most_sig_bit_different )
where
-import Test.HUnit (assertEqual)
-import Test.Framework (Test, testGroup)
-import Test.Framework.Providers.HUnit (testCase)
-import Test.Framework.Providers.QuickCheck2 (testProperty)
-import Test.QuickCheck (Arbitrary(..), Gen, Property, (==>))
-import Maskable (Maskable(..))
-import Maskbits (Maskbits(..))
-import Octet (Octet(..))
+import Test.Tasty ( TestTree, testGroup )
+import Test.Tasty.HUnit ( (@?=), testCase )
+import Test.Tasty.QuickCheck (
+ Arbitrary( arbitrary ),
+ Gen,
+ Property,
+ (==>),
+ testProperty )
+
+import Maskable ( Maskable( apply_mask) )
+import Maskbits (
+ Maskbits(
+ Zero, One, Two, Three, Four, Five, Six, Seven, Eight,
+ Nine, Ten, Eleven, Twelve, Thirteen, Fourteen, Fifteen, Sixteen,
+ Seventeen, Eighteen, Nineteen, Twenty, TwentyOne, TwentyTwo, TwentyThree,
+ TwentyFour, TwentyFive, TwentySix, TwentySeven, TwentyEight, TwentyNine,
+ Thirty, ThirtyOne, ThirtyTwo ) )
+import Octet ( Octet( b1, b2, b3, b4, b5, b6, b7, b8) )
data IPv4Address =
IPv4Address { octet1 :: Octet,
octet2 :: Octet,
octet3 :: Octet,
octet4 :: Octet }
- deriving (Eq)
+ deriving (Eq, Ord)
instance Show IPv4Address where
shifted_x1 = x `quot` 2^(24 :: Integer)
shifted_x2 = x2 `quot` 2^(16 :: Integer)
shifted_x3 = x3 `quot` 2^(8 :: Integer)
- oct1 = toEnum shifted_x1
- oct2 = toEnum shifted_x2
- oct3 = toEnum shifted_x3
- oct4 = toEnum x4
+ oct1 = toEnum shifted_x1 :: Octet
+ oct2 = toEnum shifted_x2 :: Octet
+ oct3 = toEnum shifted_x3 :: Octet
+ oct4 = toEnum x4 :: Octet
-- | Convert @addr@ to an 'Int' by converting each octet to an 'Int'
-- and shifting the result to the left by 0,8.16, or 24 bits.
-- Test lists.
-ipv4address_tests :: Test
+ipv4address_tests :: TestTree
ipv4address_tests =
testGroup "IPv4 Address Tests" [
test_enum,
test_minBound,
test_most_sig_bit_different1,
test_most_sig_bit_different2,
+ test_ord_instance1,
+ test_ord_instance2,
+ test_ord_instance3,
+ test_ord_instance4,
test_to_enum ]
-ipv4address_properties :: Test
+ipv4address_properties :: TestTree
ipv4address_properties =
testGroup
"IPv4 Address Properties "
- [ testProperty
- "fromEnum/toEnum are inverses"
- prop_from_enum_to_enum_inverses ]
+ [ prop_from_enum_to_enum_inverses ]
-- QuickCheck properties
-prop_from_enum_to_enum_inverses :: Int -> Property
-prop_from_enum_to_enum_inverses x =
- (0 <= x) && (x <= 2^(32 :: Integer) - 1) ==>
- fromEnum (toEnum x :: IPv4Address) == x
+prop_from_enum_to_enum_inverses :: TestTree
+prop_from_enum_to_enum_inverses =
+ testProperty "fromEnum and toEnum are inverses" prop
+ where
+ prop :: Int -> Property
+ prop x =
+ (0 <= x) && (x <= 2^(32 :: Integer) - 1) ==>
+ fromEnum (toEnum x :: IPv4Address) == x
-- HUnit Tests
mk_testaddr :: Int -> Int -> Int -> Int -> IPv4Address
mk_testaddr a b c d =
IPv4Address oct1 oct2 oct3 oct4
where
- oct1 = toEnum a
- oct2 = toEnum b
- oct3 = toEnum c
- oct4 = toEnum d
+ oct1 = toEnum a :: Octet
+ oct2 = toEnum b :: Octet
+ oct3 = toEnum c :: Octet
+ oct4 = toEnum d :: Octet
+
-test_minBound :: Test
+test_minBound :: TestTree
test_minBound =
- testCase desc $ assertEqual desc expected actual
+ testCase desc $ actual @?= expected
where
desc = "minBound should be 0.0.0.0"
expected = mk_testaddr 0 0 0 0
actual = minBound :: IPv4Address
-test_maxBound :: Test
+
+test_maxBound :: TestTree
test_maxBound =
- testCase desc $ assertEqual desc expected actual
+ testCase desc $ actual @?= expected
where
desc = "maxBound should be 255.255.255.255"
expected = mk_testaddr 255 255 255 255
actual = maxBound :: IPv4Address
-test_enum :: Test
+
+test_enum :: TestTree
test_enum =
- testCase desc $ assertEqual desc expected actual
+ testCase desc $ actual @?= expected
where
desc = "enumerating a /24 gives the correct addresses"
expected = ["192.168.0." ++ (show x) | x <- [0..255::Int] ]
ub = mk_testaddr 192 168 0 255
actual = map show [lb..ub]
-test_most_sig_bit_different1 :: Test
+
+test_most_sig_bit_different1 :: TestTree
test_most_sig_bit_different1 =
- testCase desc $ assertEqual desc
- TwentyFour
- bit
+ testCase desc $ actual @?= expected
where
desc = "10.1.1.0 and 10.1.0.0 differ in bit 24"
addr1 = mk_testaddr 10 1 1 0
addr2 = (mk_testaddr 10 1 0 0)
- bit = most_sig_bit_different addr1 addr2
+ expected = TwentyFour
+ actual = most_sig_bit_different addr1 addr2
-test_most_sig_bit_different2 :: Test
+test_most_sig_bit_different2 :: TestTree
test_most_sig_bit_different2 =
- testCase desc $ assertEqual desc
- TwentyThree
- bit
+ testCase desc $ actual @?= expected
where
desc = "10.1.2.0 and 10.1.1.0 differ in bit 23"
addr1 = mk_testaddr 10 1 2 0
addr2 = mk_testaddr 10 1 1 0
- bit = most_sig_bit_different addr1 addr2
+ expected = TwentyThree
+ actual = most_sig_bit_different addr1 addr2
-test_to_enum :: Test
+test_to_enum :: TestTree
test_to_enum =
- testCase desc $ assertEqual desc expected actual
+ testCase desc $ actual @?= expected
where
desc = "192.168.0.0 in base-10 is 3232235520"
expected = mk_testaddr 192 168 0 0
- actual = toEnum 3232235520
+ actual = toEnum 3232235520 :: IPv4Address
+
+
+test_ord_instance1 :: TestTree
+test_ord_instance1 =
+ testCase desc $ actual @?= expected
+ where
+ desc = "127.0.0.0 is less than 127.0.0.1"
+ addr1 = mk_testaddr 127 0 0 0
+ addr2 = mk_testaddr 127 0 0 1
+ expected = True
+ actual = addr1 <= addr2
+
+
+test_ord_instance2 :: TestTree
+test_ord_instance2 =
+ testCase desc $ actual @?= expected
+ where
+ desc = "127.0.0.0 is less than 127.0.1.0"
+ addr1 = mk_testaddr 127 0 0 0
+ addr2 = mk_testaddr 127 0 1 0
+ expected = True
+ actual = addr1 <= addr2
+
+test_ord_instance3 :: TestTree
+test_ord_instance3 =
+ testCase desc $ actual @?= expected
+ where
+ desc = "127.0.0.0 is less than 127.1.0.0"
+ addr1 = mk_testaddr 127 0 0 0
+ addr2 = mk_testaddr 127 1 0 0
+ expected = True
+ actual = addr1 <= addr2
+
+test_ord_instance4 :: TestTree
+test_ord_instance4 =
+ testCase desc $ actual @?= expected
+ where
+ desc = "127.0.0.0 is less than 128.0.0.0"
+ addr1 = mk_testaddr 127 0 0 0
+ addr2 = mk_testaddr 128 0 0 0
+ expected = True
+ actual = addr1 <= addr2